Independent Review · Updated June 2026

4 Ton 14 SEER 92% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow

Solid mid-tier 4-ton system with 92% heating efficiency and 14 SEER cooling

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
4 Ton 14 SEER 92% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow
Current Price
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// Bottom Line
This Goodman system delivers reliable performance for homeowners upgrading from older equipment or installing in moderate-climate regions. The 92% AFUE furnace and 14 SEER air conditioner combination hits the sweet spot between efficiency gains and affordability, making it practical for budget-conscious contractors and DIY installers.

Review

The Goodman 4-ton gas furnace and air conditioner system represents the practical middle ground in residential HVAC. With 92% AFUE heating efficiency and 14 SEER cooling, this combination appeals to homeowners and contractors tired of bottom-tier equipment but unwilling to pay premium pricing. The upflow/horizontal configuration works in most home layouts, while the PVC flue option simplifies modern installations.

Performance specs are solid across the board. The furnace delivers 100,000 BTU of heating output, while the air conditioner provides 48,000 BTU of cooling. The multi-speed blower motor adapts to demand, maxing out at 2000 CFM. Single-stage operation means efficiency drops slightly at part-load, but real-world performance remains dependable. The 74 dB noise level during operation is acceptable for most installations, though not the quietest option available.

Pros & Cons

Pros

  • 92% AFUE furnace efficiency reduces heating costs compared to 80-85% AFUE units
  • 14 SEER cooling rating meets modern efficiency standards without premium pricing
  • Multi-speed blower motor optimizes comfort and reduces energy waste during partial-load operation
  • PVC flue exhaust simplifies installation, especially in retrofit applications
  • Compact 30x21x21 inch footprint fits tight utility closets and mechanical rooms
  • Scroll compressor technology provides reliable cooling performance with low maintenance

Cons

  • Single-stage burner and condenser mean less efficient operation at partial loads
  • 74 dB noise level is moderately loud, potentially noticeable in quiet homes
  • Not Energy Star certified, so no federal tax credits or rebates available
  • Tonnage spec discrepancy (marketed as 4-ton but specs list 5-ton) creates confusion

Who Should Buy

Best For

Homeowners in mild to moderate climates seeking straightforward replacements without premium efficiency features. Contractors valuing ease of installation and proven Goodman reliability over cutting-edge technology will appreciate the straightforward design and PVC flue compatibility.

Consider Alternatives If

Those in extreme cold climates needing variable-stage heating, or environmentally-focused buyers pursuing Energy Star certification and maximum efficiency ratings.

4 Ton 14 SEER 92% AFUE 100,000 BTU Goodman Gas Fur
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Installation

Installation complexity is straightforward for experienced technicians. The unit requires 208/230V single-phase 60 Hz power with breaker sizing between 26.4 and 45 amps. PVC flue exhaust simplifies venting compared to metal alternatives. Compact 30x21x21 inch dimensions fit standard closet spaces. Refrigerant lines use standard 3/8 inch and 7/8 inch connections with basic 3/8 inch insulation.

Warranty & Reliability

Goodman backs this system with a solid 10-year warranty when you register online. Coverage protects against manufacturing defects and component failures. Registration is straightforward and recommended immediately after installation. The extended protection makes this an attractive option for buyers wanting reasonable long-term protection without premium pricing.

Specifications

SKULS38783830
Brand/ManufacturerOnline Supply
Cooling BTU48,000
Heating BTU100,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
Warranty10 Years with Online Registration
Decibel Level (dBA)74
Weight (in lbs)30.000000
FeatureSpec
Airflow DirectionUpflow/Horizontal
Exhaust Flue RequirementPlastic / PVC
Furnace Efficiency / AFUE92%
Blower MotorMulti Speed
Maximum CFM2000
ConfigurationUpflow / Downflow
Flue LocationRight
Burner StagesSingle
Fuel TypeGas
Height30"
Width21"
Depth21"
ResourcesCAPF Installation Manual CAPF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
Energy StarNo
SEER1 (Efficiency)14
Condenser StagesSingle Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size7/8"
Max Breaker Size45 amps
Min. Breaker Size26.4 amps
Tonnage5 Ton
Liquid Line3/8"
Suction Line7/8"
StyleA-Coil
Suction Line Insulation Thickness3/8"
Length30 feet

Frequently Asked Questions

Does this 4-ton system actually match the 5-ton spec listed? +
There's a specification discrepancy in the provided data. The product title states 4-ton capacity, but specs list 5-ton tonnage. Verify with the seller before purchase. This inconsistency may reflect SKU variants or documentation errors. Contact Goodman or Online Supply directly for clarification on actual tonnage and cooling capacity.
Is the PVC flue requirement better than metal exhaust? +
PVC flue simplifies installation and costs less upfront, making retrofits easier. However, plastic degrades faster in direct sunlight. For indoor mechanical rooms, PVC works excellently. Outdoor installations may benefit from metal alternatives. Your climate and venting location determine the best choice.
How does 14 SEER compare to modern equipment? +
14 SEER meets Energy Star minimums but falls short of newer 16-18 SEER units. You'll notice 15-25% annual cooling cost savings versus 13 SEER systems. High-efficiency models offer faster payback, but this unit balances reasonable efficiency with lower capital investment.
Should I choose this over a higher-SEER system? +
Consider your climate and budget. In moderate climates, the 14 SEER model recovers its lower cost within 8-10 years. Hotter regions benefit from 16+ SEER ratings. Colder areas prioritize furnace efficiency over cooling. This unit excels for homeowners valuing reliability over maximum efficiency.
Does the 10-year warranty cover labor or just parts? +
Goodman's 10-year warranty covers defective components, not labor costs. Registration required. Coverage typically includes compressor, coil, and furnace components. Labor and refrigerant are owner responsibility. Review specific warranty documents from Online Supply for complete coverage details.

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